BRUMFIELD BRIAN F.

PrivateCIK: 1951536
Location

TULSA, OK

BRUMFIELD BRIAN F. (See Remarks) exercised options at ONE GAS, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 2 exercises
InsiderBRUMFIELD BRIAN F.CIK 1951536
IssuerONE GAS, INC.CIK 1587732
Officer· See Remarks
Since Feb 2026
+1.12K
Net shares
Net buyer
$53.8K
Total sold
0
Open market trades
0B · 0S
8
Total transactions
3.76K acquired · 2.64K disposed
Non-Derivative Transactions4

Common stock, par value $0.01

Direct
M · Option Exercise

Shares

+562.68

Price / share

$86.04

Trade value

$48.41K

% of position

19.6%
2/14/2026
2.87K3.43K

Common stock, par value $0.01

Direct
F · Tax Withholding

Shares

186.91

Price / share

$86.04

Trade value

$16.08K

% of position

5.4%
2/14/2026
3.43K3.25K

Common stock, par value $0.01

Direct
M · Option Exercise

Shares

+1.28K

Price / share

$86.04

Trade value

$110.45K

% of position

63.4%
2/16/2026
2.03K3.31K

Common stock, par value $0.01

Direct
F · Tax Withholding

Shares

438.40

Price / share

$86.04

Trade value

$37.72K

% of position

13.2%
2/16/2026
3.31K2.87K
Total

Net shares

+1.22K

Net value

$105.07K

Derivative Transactions4

Restricted Units 2023

Direct
M · Option Exercise
Converts to

Common stock, par value $0.01

504.00 shares

Shares

504.00

Strike price

Held after

0.00

Exercisable

2/14/2026

Performance Units 2023

Direct
M · Option Exercise
Converts to

Common stock, par value $0.01

1.51K shares

Shares

1.51K

Strike price

Held after

0.00

Exercisable

2/16/2026

Performance Units 2026

Direct
A · Award
Converts to

Common stock, par value $0.01

959.00 shares

Shares

+959.00

Strike price

Held after

959.00

Exercisable

2/16/2026

Restricted Units 2026

Direct
A · Award
Converts to

Common stock, par value $0.01

959.00 shares

Shares

+959.00

Strike price

Held after

959.00

Exercisable

2/16/2026
Non-Derivative Holdings (Post-Transaction)1

Common stock, par value $0.01

Indirect
Shares owned1.43K
Total
1.43K indirect1.43K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
BRUMFIELD BRIAN F. — Insider Transaction (Form 4) Filed Feb 19, 2026 | Finecho